MPEP § 2010 — Office Handling of Duty of Disclosure/Inequitable Conduct Issues (Annotated Rules)

§2010 Office Handling of Duty of Disclosure/Inequitable Conduct Issues

USPTO MPEP version: BlueIron's Update: 2026-01-10

This page consolidates and annotates all enforceable requirements under MPEP § 2010, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Office Handling of Duty of Disclosure/Inequitable Conduct Issues

This section addresses Office Handling of Duty of Disclosure/Inequitable Conduct Issues. Primary authority: 37 CFR 1.56. Contains: 1 permission and 1 other statement.

Key Rules

Topic

Reissue and Reexamination

1 rules
StatutoryInformativeAlways
[mpep-2010-601f53baa286a2fb17b6beaa]
Examiner Does Not Investigate Duty of Disclosure Issues During Examination
Note:
The examiner will not investigate or comment on duty of disclosure issues in original or reissue patent applications, except to note that such issues are not considered during examination.

Accordingly, the examiner does not investigate and reject original or reissue applications under 37 CFR 1.56. Likewise, the examiner will not comment upon duty of disclosure issues which are brought to the attention of the Office except to note, in appropriate circumstances, that such issues are not considered by the examiner during examination of patent applications, or during reexamination proceedings or supplemental examination.

Jump to MPEP Source · 37 CFR 1.56Reissue and ReexaminationDuty of Disclosure in ReissueRejections Specific to Reissue
Topic

PTAB Jurisdiction

1 rules
StatutoryPermittedAlways
[mpep-2010-846fdc6027c60f15babd15c8]
Board May Consider Fraud/Inequitable Conduct with Good Cause
Note:
The Board can examine claims of fraud and inequitable conduct in an interference proceeding if a sufficient reason for doing so is shown.

Issues of fraud and/or inequitable conduct in an interference proceeding before the Board may be considered by the Board if there is a showing of good cause.

Jump to MPEP SourcePTAB JurisdictionPTAB Contested Case ProceduresInequitable Conduct and Fraud

Citations

Primary topicCitation
Reissue and Reexamination37 CFR § 1.56

Source Text from USPTO’s MPEP

This is an exact copy of the MPEP from the USPTO. It is here for your reference to see the section in context.

BlueIron Last Updated: 2026-01-10